CVE-2000-0824
CVE-2000-0824 is a high-severity vulnerability in Gnu Glibc with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 2.0 base score 7.2)
- EPSS exploit prediction: 1% (65th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Gnu Glibc
- Published:
- Last modified:
Description
The unsetenv function in glibc 2.1.1 does not properly unset an environmental variable if the variable is provided twice to a program, which could allow local users to execute arbitrary commands in setuid programs by specifying their own duplicate environmental variables such as LD_PRELOAD or LD_LIBRARY_PATH.
Frequently asked questions
- What is CVE-2000-0824?
- The unsetenv function in glibc 2.1.1 does not properly unset an environmental variable if the variable is provided twice to a program, which could allow local users to execute arbitrary commands in setuid programs by specifying their own duplicate environmental variables such as LD_PRELOAD or LD_LIBRARY_PATH.
- How severe is CVE-2000-0824?
- CVE-2000-0824 has a CVSS 2.0 base score of 7.2, rated high severity.
- Is CVE-2000-0824 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2000-0824?
- CVE-2000-0824 affects Gnu Glibc. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2000-0824?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2000-0824 published?
- CVE-2000-0824 was published on 2000-11-14 and last updated on 2026-06-16.
References
- http://archives.neohapsis.com/archives/bugtraq/2000-08/0436.html
- http://archives.neohapsis.com/archives/bugtraq/2000-08/0509.html
- http://archives.neohapsis.com/archives/bugtraq/2000-08/0525.html
- http://marc.info/?l=bugtraq&m=93760201002154&w=2
- http://www.calderasystems.com/support/security/advisories/CSSA-2000-028.0.txt
- http://www.debian.org/security/2000/20000902
- http://www.linux-mandrake.com/en/updates/MDKSA-2000-040.php3
- http://www.linux-mandrake.com/en/updates/MDKSA-2000-045.php3
- http://www.novell.com/linux/security/advisories/adv5_draht_glibc_txt.html
- http://www.redhat.com/support/errata/RHSA-2000-057.html
- http://www.securityfocus.com/archive/1/79537
- http://www.securityfocus.com/bid/1639
- http://www.securityfocus.com/bid/648
- http://www.turbolinux.com/pipermail/tl-security-announce/2000-September/000020.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5173
Affected products (1)
- cpe:2.3:a:gnu:glibc:2.1.1:*:*:*:*:*:*:*
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